نتایج جستجو برای: pluronic f127

تعداد نتایج: 1290  

2013
Yih-Shiou Hwang Ping-Ray Chiang Wei-Hsin Hong Chuan-Chin Chiao I-Ming Chu Ging-Ho Hsiue Chia-Rui Shen

The long term in vivo biocompatibility is an essential feature for the design and development of sustained drug release carriers. In the recent intraocular drug delivery studies, hydrogels were suggested as sustained release carriers. The biocompatibility test for these hydrogels, however, was commonly performed only through in vitro cell culture examination, which is insufficient before the cl...

2013
Yanzuo Chen Xianyi Sha Wei Zhang Weitong Zhong Zhuoyang Fan Qiuyue Ren Liangcen Chen Xiaoling Fang

A Pluronic polymeric mixed micelle delivery system was developed in this study by using Pluronic P105 and F127 block copolymers to encapsulate the antitumor compound, methotrexate (MTX). The MTX-loaded Pluronic P105/F127 mixed micelle exhibited the spherical shape with about 22 nm in diameter, high encapsulation efficiency (about 85%) and pH-dependent in vitro drug release. In this study, A-549...

2012
Yen-Hsien Lee Jung-Jhih Chang Chiang-Ting Chien Ming-Chien Yang Hsiung-Fei Chien

We examined the effects of vitamin C in Pluronic F127 on diabetic wound healing. Full-thickness excision skin wounds were made in normal and diabetic Wistar rats to evaluate the effect of saline, saline plus vitamin C (antioxidant sol), Pluronic F127, or Pluronic F127 plus vitamin C (antioxidant sol-gel). The rate of wound contraction, the levels of epidermal and dermal maturation, collagen syn...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2007
Monica A James-Smith Dushyant Shekhawat Brij M Moudgil Dinesh O Shah

We propose that one can deduce very insightful information regarding the drug and fatty acid binding capacity of microemulsions through simple turbidity experiments. Pluronic F127-based oil-in-water microemulsions of various compositions were synthesized and titrated to turbidity with concentrated amitriptyline, an antidepressant drug. We observed that, above certain Pluronic F127 concentration...

Journal: :Journal of chromatography. B, Biomedical sciences and applications 2000
I Miksik Z Deyl

A capillary electrophoretic method exploiting the properties of Pluronic copolymer liquid crystals (F127) was developed for the separation of collagen cyanogen bromide (CNBr) fragments. The separations obtained were at least comparable (if not better) to those obtained by other methods applicable to this category of compounds. In the optimized version a bare silica capillary [47 cm (40 cm to th...

Journal: :Lab on a chip 2017
Mingqiang Li Weiqian Jiang Zaozao Chen Smruthi Suryaprakash Shixian Lv Zhaohui Tang Xuesi Chen Kam W Leong

To advance emulsion droplet technology, we synthesize functional derivatives of Pluronic F127 that can simultaneously act as surfactants and as reactive sites for droplet surface decoration. The amine-, carboxyl-, N-hydroxysuccinimide ester-, maleimide- and biotin-terminated Pluronic F127 allows ligand immobilization on single-emulsion or double-emulsion droplets via electrostatic adsorption, c...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2004
Lev Bromberg Marina Temchenko Geoffrey D Moeser T Alan Hatton

The temperature-induced structural changes and thermodynamics of ionic microgels based on poly(acrylic acid) (PAA) networks bonded with poly(ethylene oxide)-b-poly(propylene oxide)-b-poly(ethylene oxide) (PEO-PPO-PEO) (Pluronic) copolymers have been studied by small-angle neutron scattering (SANS), ultra-small-angle neutron scattering (USANS), differential scanning calorimetry (DSC), and equili...

Journal: :SN applied sciences 2021

Abstract Mixed micellar systems have been tried with the aim of achieving higher solubility drugs compared to single systems. Hydrophobic-hydrophilic mixed used for above purpose drug ciprofloxacin in past. In present study, a hydrophilic-hydrophilic binary system comprising pluronic copolymers F127 and L64 has studied its effect on solubilization Ciprofloxacin. The solutions two individual the...

Journal: :journal of nanostructures 2012
a. tadjarodi m. sedghi k. bijanzad

mesoporous  mgo  microstructures  were  synthesized  using magnesium  acetate  tetrahydrate,  ammonium  oxalate  monohydrate and  pluronic  f127  via  heating  at  40  °c  for  24  h  and  subsequent calcination. the mesoporous structure of magnesium oxide with the specific  surface  area  of  47m2/g,  pore  volume  0.30  cm3/g  and  the average pore size 24 nm is produced. according to xrd stu...

2016
Nitish Yeredla Taisuke Kojima Yi Yang Shuichi Takayama Mathumai Kanapathipillai

Here, we produce poly(lactide-co-glycolide) (PLGA) based microparticles with varying morphologies, and temperature responsive properties utilizing a Pluronic F127/dextran aqueous two-phase system (ATPS) assisted self-assembly. The PLGA polymer, when emulsified in Pluronic F127/dextran ATPS, forms unique microparticle structures due to ATPS guided-self assembly. Depending on the PLGA concentrati...

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